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author | Chris Lattner <sabre@nondot.org> | 2003-09-08 17:45:59 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2003-09-08 17:45:59 +0000 |
commit | e5e475e09d1e8a9ea1bda58b536867ff16600399 (patch) | |
tree | a78ac7ffdd5f8a786fb5c634d9e88b1ce0755cc7 /lib/VMCore | |
parent | ebd222015235c165f16d7567e864132115dee611 (diff) | |
download | external_llvm-e5e475e09d1e8a9ea1bda58b536867ff16600399.zip external_llvm-e5e475e09d1e8a9ea1bda58b536867ff16600399.tar.gz external_llvm-e5e475e09d1e8a9ea1bda58b536867ff16600399.tar.bz2 |
Add support for volatile loads/stores
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8393 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore')
-rw-r--r-- | lib/VMCore/AsmWriter.cpp | 5 | ||||
-rw-r--r-- | lib/VMCore/iMemory.cpp | 22 |
2 files changed, 24 insertions, 3 deletions
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp index b9b2e8f..f849fe1 100644 --- a/lib/VMCore/AsmWriter.cpp +++ b/lib/VMCore/AsmWriter.cpp @@ -771,6 +771,11 @@ void AssemblyWriter::printInstruction(const Instruction &I) { if (I.hasName()) Out << getLLVMName(I.getName()) << " = "; + // If this is a volatile load or store, print out the volatile marker + if ((isa<LoadInst>(I) && cast<LoadInst>(I).isVolatile()) || + (isa<StoreInst>(I) && cast<StoreInst>(I).isVolatile())) + Out << "volatile "; + // Print out the opcode... Out << I.getOpcodeName(); diff --git a/lib/VMCore/iMemory.cpp b/lib/VMCore/iMemory.cpp index 559c15e..68a628b 100644 --- a/lib/VMCore/iMemory.cpp +++ b/lib/VMCore/iMemory.cpp @@ -1,4 +1,4 @@ -//===-- iMemory.cpp - Implement Memory instructions --------------*- C++ -*--=// +//===-- iMemory.cpp - Implement Memory instructions -----------------------===// // // This file implements the various memory related classes defined in iMemory.h // @@ -58,18 +58,34 @@ FreeInst::FreeInst(Value *Ptr, Instruction *InsertBefore) LoadInst::LoadInst(Value *Ptr, const std::string &Name, Instruction *InsertBef) : Instruction(cast<PointerType>(Ptr->getType())->getElementType(), - Load, Name, InsertBef) { + Load, Name, InsertBef), Volatile(false) { Operands.reserve(1); Operands.push_back(Use(Ptr, this)); } +LoadInst::LoadInst(Value *Ptr, const std::string &Name, bool isVolatile, + Instruction *InsertBef) + : Instruction(cast<PointerType>(Ptr->getType())->getElementType(), + Load, Name, InsertBef), Volatile(isVolatile) { + Operands.reserve(1); + Operands.push_back(Use(Ptr, this)); +} //===----------------------------------------------------------------------===// // StoreInst Implementation //===----------------------------------------------------------------------===// StoreInst::StoreInst(Value *Val, Value *Ptr, Instruction *InsertBefore) - : Instruction(Type::VoidTy, Store, "", InsertBefore) { + : Instruction(Type::VoidTy, Store, "", InsertBefore), Volatile(false) { + + Operands.reserve(2); + Operands.push_back(Use(Val, this)); + Operands.push_back(Use(Ptr, this)); +} + +StoreInst::StoreInst(Value *Val, Value *Ptr, bool isVolatile, + Instruction *InsertBefore) + : Instruction(Type::VoidTy, Store, "", InsertBefore), Volatile(isVolatile) { Operands.reserve(2); Operands.push_back(Use(Val, this)); |